diff options
| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/edk2/MdeModulePkg/Bus/Pci/SdMmcPciHcPei/SdMmcPciHcPei.h | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/MdeModulePkg/Bus/Pci/SdMmcPciHcPei/SdMmcPciHcPei.h')
| -rw-r--r-- | roms/edk2/MdeModulePkg/Bus/Pci/SdMmcPciHcPei/SdMmcPciHcPei.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/roms/edk2/MdeModulePkg/Bus/Pci/SdMmcPciHcPei/SdMmcPciHcPei.h b/roms/edk2/MdeModulePkg/Bus/Pci/SdMmcPciHcPei/SdMmcPciHcPei.h new file mode 100644 index 000000000..ee04a6b89 --- /dev/null +++ b/roms/edk2/MdeModulePkg/Bus/Pci/SdMmcPciHcPei/SdMmcPciHcPei.h @@ -0,0 +1,80 @@ +/** @file
+
+ Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef _SD_MMC_PCI_HOST_CONTROLLER_PEI_H_
+#define _SD_MMC_PCI_HOST_CONTROLLER_PEI_H_
+
+#include <PiPei.h>
+
+#include <Ppi/MasterBootMode.h>
+#include <Ppi/SdMmcHostController.h>
+
+#include <IndustryStandard/Pci.h>
+
+#include <Library/DebugLib.h>
+#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/PciLib.h>
+#include <Library/PeiServicesLib.h>
+#include <Library/MemoryAllocationLib.h>
+
+#define SD_MMC_HC_PEI_SIGNATURE SIGNATURE_32 ('S', 'D', 'M', 'C')
+
+#define MAX_SD_MMC_HCS 8
+#define MAX_SD_MMC_SLOTS 6
+
+//
+// SD Host Controller SlotInfo Register Offset
+//
+#define SD_MMC_HC_PEI_SLOT_OFFSET 0x40
+
+typedef struct {
+ UINT8 FirstBar:3; // bit 0:2
+ UINT8 Reserved:1; // bit 3
+ UINT8 SlotNum:3; // bit 4:6
+ UINT8 Reserved1:1; // bit 7
+} SD_MMC_HC_PEI_SLOT_INFO;
+
+typedef struct {
+ UINTN SlotNum;
+ UINTN MmioBarAddr[MAX_SD_MMC_SLOTS];
+} SD_MMC_HC_PEI_BAR;
+
+typedef struct {
+ UINTN Signature;
+ EDKII_SD_MMC_HOST_CONTROLLER_PPI SdMmcHostControllerPpi;
+ EFI_PEI_PPI_DESCRIPTOR PpiList;
+ UINTN TotalSdMmcHcs;
+ SD_MMC_HC_PEI_BAR MmioBar[MAX_SD_MMC_HCS];
+} SD_MMC_HC_PEI_PRIVATE_DATA;
+
+#define SD_MMC_HC_PEI_PRIVATE_DATA_FROM_THIS(a) CR (a, SD_MMC_HC_PEI_PRIVATE_DATA, SdMmcHostControllerPpi, SD_MMC_HC_PEI_SIGNATURE)
+
+/**
+ Get the MMIO base address of SD/MMC host controller.
+
+ @param[in] This The protocol instance pointer.
+ @param[in] ControllerId The ID of the SD/MMC host controller.
+ @param[in,out] MmioBar The pointer to store the array of available
+ SD/MMC host controller slot MMIO base addresses.
+ The entry number of the array is specified by BarNum.
+ @param[out] BarNum The pointer to store the supported bar number.
+
+ @retval EFI_SUCCESS The operation succeeds.
+ @retval EFI_INVALID_PARAMETER The parameters are invalid.
+
+**/
+EFI_STATUS
+EFIAPI
+GetSdMmcHcMmioBar (
+ IN EDKII_SD_MMC_HOST_CONTROLLER_PPI *This,
+ IN UINT8 ControllerId,
+ IN OUT UINTN **MmioBar,
+ OUT UINT8 *BarNum
+ );
+
+#endif
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